{{#each scenarios as |scenario|~}}
    {{~#if @first ~}}
No {{#each scenario.args as |arg| ~}} | {{arg.name}} {{/each}}
--- {{#each scenario.args as |arg| ~}} | --- {{/each}}
    {{~/if}}
{{plus @index}} {{#each scenario.args as |arg| ~}} | {{arg.value}} {{/each ~}}
{{/each ~}}